Signal device



FIG. 1 is a right side view of a signal device showing my new design;

FIG. 2 is a left side view of the signal device;

FIG. 3 is a front side view of the signal device;

FIG. 4 is a back side view of the signal device;

FIG. 5 is a bottom plan view of the signal device;

FIG. 6 is a top plan view of the signal device;

FIG. 7 is a perspective view of the signal device;

FIG. 8 is another perspective view of the signal device;

FIG. 9 is a left side view of the signal device with a clear lens;

FIG. 10 is a right side view of the signal device with a clear lens;

FIG. 11 is a front side view of the signal device with a clear lens; and,

FIG. 12 is a back side view of the signal device with a clear lens. 

CLAIM The ornamental design for a signal device, as shown and described. 